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About ESL ElectroScience

ESL ElectroScience HQ, King of Prussia, Pennsylvania, USA

ESL ElectroScience was established in the Philadelphia region in 1962 to develop and manufacture thick-film pastes for the microelectronics industry. Today, this private and financially strong company is a world leader in advanced materials for a wide variety of industrial and consumer applications.

Thick-film inks or pastes, ceramic tapes and material systems are manufactured at ESL’s headquarters in King of Prussia, Pennsylvania and at ESL Europe (Agmet) in Reading, England (both facilities are ISO 9001). These materials find uses in products as diverse as cell phones, aerospace, automotive sensors, fuel cells, and domestic hot-water heaters.

In Asia, ESL has offices in Tokyo, Shanghai, Taipei, and Seoul, which provide Sales and Technical Service Support, and ESL materials are offered globally through direct sales, ESL affiliates, sales agents, and from this web site.

For more on the history of ESL, from its incorporation by Sidney Stein in 1962 to the present day, visit A Portrait of Sidney Stein.